Question
Download Solution PDF(tan 10° tan 80° + tan 20° tan 70° + tan 30° tan 60° + tan 40° tan 50°) चे मूल्य काय आहे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवापरलेली संकल्पना:
tan θ = cot(90 - θ)
cot θ = 1/tan θ
गणना:
⇒ (टॅन 10° टॅन 80° + टॅन 20° टॅन 70° + टॅन 30° टॅन 60° + टॅन 40° टॅन 50°)
⇒ (टॅन 10° कॉट 10° + टॅन 20° कॉट 20° + टॅन 30° कॉट 30° + टॅन 40° कॉट 40°)
⇒ 1 + 1 + 1 + 1
⇒ ४
∴ पर्याय 1 हे योग्य उत्तर आहे.
Last updated on Jul 22, 2025
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